diff options
| -rw-r--r-- | hw/ppc/pnv.c | 2 | ||||
| -rw-r--r-- | hw/ppc/pnv_lpc.c | 85 | ||||
| -rw-r--r-- | include/hw/ppc/pnv_lpc.h | 15 |
3 files changed, 77 insertions, 25 deletions
diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c index 1cc454cbbc..922e3ec48b 100644 --- a/hw/ppc/pnv.c +++ b/hw/ppc/pnv.c @@ -794,7 +794,7 @@ static void pnv_chip_power8_instance_init(Object *obj) OBJECT(qdev_get_machine()), &error_abort); object_initialize_child(obj, "lpc", &chip8->lpc, sizeof(chip8->lpc), - TYPE_PNV_LPC, &error_abort, NULL); + TYPE_PNV8_LPC, &error_abort, NULL); object_property_add_const_link(OBJECT(&chip8->lpc), "psi", OBJECT(&chip8->psi), &error_abort); diff --git a/hw/ppc/pnv_lpc.c b/hw/ppc/pnv_lpc.c index 547be609ca..3c509a30a0 100644 --- a/hw/ppc/pnv_lpc.c +++ b/hw/ppc/pnv_lpc.c @@ -245,6 +245,7 @@ static const MemoryRegionOps pnv_lpc_xscom_ops = { static void pnv_lpc_eval_irqs(PnvLpcController *lpc) { bool lpc_to_opb_irq = false; + PnvLpcClass *plc = PNV_LPC_GET_CLASS(lpc); /* Update LPC controller to OPB line */ if (lpc->lpc_hc_irqser_ctrl & LPC_HC_IRQSER_EN) { @@ -267,7 +268,7 @@ static void pnv_lpc_eval_irqs(PnvLpcController *lpc) lpc->opb_irq_stat |= lpc->opb_irq_input & lpc->opb_irq_mask; /* Reflect the interrupt */ - pnv_psi_irq_set(lpc->psi, PSIHB_IRQ_LPC_I2C, lpc->opb_irq_stat != 0); + pnv_psi_irq_set(lpc->psi, plc->psi_irq, lpc->opb_irq_stat != 0); } static uint64_t lpc_hc_read(void *opaque, hwaddr addr, unsigned size) @@ -419,11 +420,65 @@ static const MemoryRegionOps opb_master_ops = { }, }; +static void pnv_lpc_power8_realize(DeviceState *dev, Error **errp) +{ + PnvLpcController *lpc = PNV_LPC(dev); + PnvLpcClass *plc = PNV_LPC_GET_CLASS(dev); + Error *local_err = NULL; + + plc->parent_realize(dev, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + + /* P8 uses a XSCOM region for LPC registers */ + pnv_xscom_region_init(&lpc->xscom_regs, OBJECT(lpc), + &pnv_lpc_xscom_ops, lpc, "xscom-lpc", + PNV_XSCOM_LPC_SIZE); +} + +static void pnv_lpc_power8_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + PnvXScomInterfaceClass *xdc = PNV_XSCOM_INTERFACE_CLASS(klass); + PnvLpcClass *plc = PNV_LPC_CLASS(klass); + + dc->desc = "PowerNV LPC Controller POWER8"; + + xdc->dt_xscom = pnv_lpc_dt_xscom; + + plc->psi_irq = PSIHB_IRQ_LPC_I2C; + + device_class_set_parent_realize(dc, pnv_lpc_power8_realize, + &plc->parent_realize); +} + +static const TypeInfo pnv_lpc_power8_info = { + .name = TYPE_PNV8_LPC, + .parent = TYPE_PNV_LPC, + .instance_size = sizeof(PnvLpcController), + .class_init = pnv_lpc_power8_class_init, + .interfaces = (InterfaceInfo[]) { + { TYPE_PNV_XSCOM_INTERFACE }, + { } + } +}; + static void pnv_lpc_realize(DeviceState *dev, Error **errp) { PnvLpcController *lpc = PNV_LPC(dev); Object *obj; - Error *error = NULL; + Error *local_err = NULL; + + obj = object_property_get_link(OBJECT(dev), "psi", &local_err); + if (!obj) { + error_propagate(errp, local_err); + error_prepend(errp, "required link 'psi' not found: "); + return; + } + /* The LPC controller needs PSI to generate interrupts */ + lpc->psi = PNV_PSI(obj); /* Reg inits */ lpc->lpc_hc_fw_rd_acc_size = LPC_HC_FW_RD_4B; @@ -463,46 +518,28 @@ static void pnv_lpc_realize(DeviceState *dev, Error **errp) "lpc-hc", LPC_HC_REGS_OPB_SIZE); memory_region_add_subregion(&lpc->opb_mr, LPC_HC_REGS_OPB_ADDR, &lpc->lpc_hc_regs); - - /* XScom region for LPC registers */ - pnv_xscom_region_init(&lpc->xscom_regs, OBJECT(dev), - &pnv_lpc_xscom_ops, lpc, "xscom-lpc", - PNV_XSCOM_LPC_SIZE); - - /* get PSI object from chip */ - obj = object_property_get_link(OBJECT(dev), "psi", &error); - if (!obj) { - error_setg(errp, "%s: required link 'psi' not found: %s", - __func__, error_get_pretty(error)); - return; - } - lpc->psi = PNV_PSI(obj); } static void pnv_lpc_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); - PnvXScomInterfaceClass *xdc = PNV_XSCOM_INTERFACE_CLASS(klass); - - xdc->dt_xscom = pnv_lpc_dt_xscom; dc->realize = pnv_lpc_realize; + dc->desc = "PowerNV LPC Controller"; } static const TypeInfo pnv_lpc_info = { .name = TYPE_PNV_LPC, .parent = TYPE_DEVICE, - .instance_size = sizeof(PnvLpcController), .class_init = pnv_lpc_class_init, - .interfaces = (InterfaceInfo[]) { - { TYPE_PNV_XSCOM_INTERFACE }, - { } - } + .class_size = sizeof(PnvLpcClass), + .abstract = true, }; static void pnv_lpc_register_types(void) { type_register_static(&pnv_lpc_info); + type_register_static(&pnv_lpc_power8_info); } type_init(pnv_lpc_register_types) diff --git a/include/hw/ppc/pnv_lpc.h b/include/hw/ppc/pnv_lpc.h index d657489b07..f3f24419b1 100644 --- a/include/hw/ppc/pnv_lpc.h +++ b/include/hw/ppc/pnv_lpc.h @@ -24,6 +24,8 @@ #define TYPE_PNV_LPC "pnv-lpc" #define PNV_LPC(obj) \ OBJECT_CHECK(PnvLpcController, (obj), TYPE_PNV_LPC) +#define TYPE_PNV8_LPC TYPE_PNV_LPC "-POWER8" +#define PNV8_LPC(obj) OBJECT_CHECK(PnvLpcController, (obj), TYPE_PNV8_LPC) typedef struct PnvLpcController { DeviceState parent; @@ -70,6 +72,19 @@ typedef struct PnvLpcController { PnvPsi *psi; } PnvLpcController; +#define PNV_LPC_CLASS(klass) \ + OBJECT_CLASS_CHECK(PnvLpcClass, (klass), TYPE_PNV_LPC) +#define PNV_LPC_GET_CLASS(obj) \ + OBJECT_GET_CLASS(PnvLpcClass, (obj), TYPE_PNV_LPC) + +typedef struct PnvLpcClass { + DeviceClass parent_class; + + int psi_irq; + + DeviceRealize parent_realize; +} PnvLpcClass; + ISABus *pnv_lpc_isa_create(PnvLpcController *lpc, bool use_cpld, Error **errp); #endif /* _PPC_PNV_LPC_H */ |